package com.lagace.spark.twitter;

import java.lang.reflect.Method;
import javax.swing.JOptionPane;

import org.jivesoftware.Spark;

public class BrowserLaunch {

	private static final String errMsg = "Error attempting to launch web browser";

	public static void openURL(String url) {
		try {
			if (Spark.isMac()) {
				Class fileMgr = Class.forName("com.apple.eio.FileManager");
				Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] { String.class });
				openURL.invoke(null, new Object[] { url });
			} else if (Spark.isWindows())
				Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
			else { // assume Unix or Linux
				String[] browsers = { "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
				String browser = null;
				
				for (int count = 0; count < browsers.length && browser == null; count++){
					if (Runtime.getRuntime().exec(new String[] { "which", browsers[count] }).waitFor() == 0)
						browser = browsers[count];
				}
				
				if (browser == null)
					throw new Exception("Could not find web browser");
				else
					Runtime.getRuntime().exec(new String[] { browser, url });
			}
		} catch (Exception e) {
			JOptionPane.showMessageDialog(null, errMsg + ":\n" + e.getLocalizedMessage());
		}
	}
}